Year | Value | 2022 | 15,738 | 2021 | 15,346 | 2020 | 14,847 | 2019 | 14,275 | 2018 | 13,621 | 2017 | 12,953 | 2016 | 12,388 | 2015 | 11,879 | 2014 | 11,423 | 2013 | 11,005 | 2012 | 10,603 | 2011 | 10,207 | 2010 | 9,794 | 2009 | 9,360 | 2008 | 8,930 | 2007 | 8,522 | 2006 | 8,159 | 2005 | 7,868 | 2004 | 7,649 | 2003 | 7,492 | 2002 | 7,404 | 2001 | 7,372 | 2000 | 7,370 | 1999 | 7,385 | 1998 | 7,389 | 1997 | 7,363 | 1996 | 7,290 | 1995 | 7,159 | 1994 | 6,990 | 1993 | 6,832 | 1992 | 6,742 | 1991 | 6,785 | 1990 | 7,046 | 1989 | 7,439 | 1988 | 7,784 | 1987 | 8,011 | 1986 | 8,084 | 1985 | 8,000 | 1984 | 7,797 | 1983 | 7,543 | 1982 | 7,298 | 1981 | 7,105 | 1980 | 6,993 | 1979 | 6,965 | 1978 | 6,999 | 1977 | 7,065 | 1976 | 7,131 | 1975 | 7,159 | 1974 | 7,121 | 1973 | 7,022 | 1972 | 6,894 | 1971 | 6,773 | 1970 | 6,649 | 1969 | 6,541 | 1968 | 6,489 | 1967 | 6,467 | 1966 | 6,447 | 1965 | 6,403 | 1964 | 6,315 | 1963 | 6,184 | 1962 | 6,021 | 1961 | 5,853 | 1960 | 5,665 |
|